SpaceX almost completes dress rehearsal countdown of Starship/Superheavy
According to a tweet from SpaceX, the company yesterday conduceted a dress rehearsal countdown of Starship/Superheavy, ending the rehearsal at T-10 seconds so that no static fire test of Superheavy’s engines occurred.
Starship completed its rehearsal for launch, loading more than 10 million pounds of propellant on Starship and Super Heavy and taking the flight-like countdown to T-10 seconds.
Prior to all its launches SpaceX routinely does this kind of rehearsal, but always ends them at T-0 and a short engine burst. That it did not do so here suggests either some issue prevented it, or the company was doing tests of its propellant loading procedures. Either way, it is likely another dress rehearsal countdown will be required before the actual test flight can occur.
I also suspect the FAA is involved in this in some way, demanding certain actions by SpaceX before the agency issues the launch license. At the moment there is no word when that license will be issued, though Elon Musk keeps saying on X that it is coming “soon.”
On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.
The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.
The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News
According to a tweet from SpaceX, the company yesterday conduceted a dress rehearsal countdown of Starship/Superheavy, ending the rehearsal at T-10 seconds so that no static fire test of Superheavy’s engines occurred.
Starship completed its rehearsal for launch, loading more than 10 million pounds of propellant on Starship and Super Heavy and taking the flight-like countdown to T-10 seconds.
Prior to all its launches SpaceX routinely does this kind of rehearsal, but always ends them at T-0 and a short engine burst. That it did not do so here suggests either some issue prevented it, or the company was doing tests of its propellant loading procedures. Either way, it is likely another dress rehearsal countdown will be required before the actual test flight can occur.
I also suspect the FAA is involved in this in some way, demanding certain actions by SpaceX before the agency issues the launch license. At the moment there is no word when that license will be issued, though Elon Musk keeps saying on X that it is coming “soon.”
On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.
The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.
The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News
I suspect this was as much, if not more, about testing the tank farm updates as it was about the ships. Remember, there are many new tanks, new sub-coolers, new pumps, etc., none of which had been tested through an entire WDR scenario.
They loaded 5000 tons of propellent in just 45 minutes AND successfully detanked it. So it doesn’t strike me as too surprising they stopped at T-10 as this was the real focus of the test I think.
According to NSF’s quotes of SpaceX, next launch attempt is scheduled for March 14, 2024.
https://forum.nasaspaceflight.com/index.php?topic=60479.0
Hmm, Pi Day…. 8^)